Patents by Inventor Gerard Puchault

Gerard Puchault has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Streptogramin derivatives, preparation method and compositions containing same
    Patent number: 7019110
    Abstract: Group B streptogramin derivatives of general formula (I) are disclosed: wherein Ra, Rb, Rc, Rd, R1, R2 and Y are as defined in the description, including preparation methods and compositions containing the same. Such derivatives are particularly useful as antimicrobial agents, optionally combined with at least one group A streptogramin derivative.
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: March 28, 2006
    Assignee: Aventis Pharma S.A.
    Inventors: Pascal Desmazeau, Gilles Doerflinger, Yves Ribeill, Eric Bacque, Jean-Claude Barriere, Gilles Dutruc-Rosset, Gérard Puchault
  • Streptogramin derivatives, preparation method and compositions containing same
    Patent number: 6958383
    Abstract: Group B streptogramin derivatives of general formula (I): wherein Ra, Rb, Rc, Rd, R1, R2 and Y are as defined in the description, including preparation methods and compositions containing same. Such derivatives are particularly useful as antimicrobial agents, optionally combined with at least one group A streptogramin derivative.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: October 25, 2005
    Assignee: Aventis Pharma S. A.
    Inventors: Pascal Desmazeau, Gilles Doerflinger, Yves Ribeill, Eric Bacque, Jean-Claude Barriere, Gilles Dutruc-Rosset, Gérard Puchault
  • Streptogramin derivatives, their preparation and compositions containing them
    Patent number: 6878820
    Abstract: The present invention relates to group A streptogramin derivatives of general formula (I) and processes for preparing the same: which has particularly advantageous antibacterial activity.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: April 12, 2005
    Assignee: Aventis Pharma S. A.
    Inventors: Eric Bacqué , Françoise Tetot, Gérard Puchault, Jean-Claude Barrière
  • Streptogramin derivatives, preparation method and compositions containing same
    Publication number: 20040266667
    Abstract: Group B streptogramin derivatives of general formula (I) are disclosed: 1
    Type: Application
    Filed: March 2, 2004
    Publication date: December 30, 2004
    Applicant: Aventis Pharma S.A.
    Inventors: Pascal Desmazeau, Gilles Doerflinger, Yves Ribeill, Eric Bacque, Jean-Claude Barriere, Gilles Dutruc-Rosset, Gerard Puchault
  • Streptogramines, their preparation and compositions containing them
    Patent number: 6815437
    Abstract: Group A streptogramin derivatives of formula (I): the salts thereof, and mixtures of stereoisomers thereof, as well as processes for preparing them and pharmaceutical compositions comprising them are disclosed.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: November 9, 2004
    Assignee: Aventis Pharma S.A.
    Inventors: Alain Commerçon, Hervé Bouchard, Yves Ribeill, Eric Bacque, Baptiste Ronan, Jean-Claude Barriere, Gérard Puchault, Corinne Terrier
  • Streptogramin derivatives, their preparation and compositions containing them
    Publication number: 20030162962
    Abstract: The present invention relates to group A streptogramin derivatives of general formula (I) and processes for preparing the same: 1
    Type: Application
    Filed: December 23, 2002
    Publication date: August 28, 2003
    Inventors: Eric Bacque, Jean-Claude Barriere, Francoise Tetot, Gerard Puchault
  • Streptogramin derivatives, preparation method and compositions containing same
    Publication number: 20020151676
    Abstract: Group B streptogramin derivatives of general formula (I): 1
    Type: Application
    Filed: June 5, 2002
    Publication date: October 17, 2002
    Applicant: Aventis Pharma S.A.
    Inventors: Pascal Desmazeau, Gilles Doerflinger, Yves Ribeill, Eric Bacque, Jean-Claude Barriere, Gilles Dutruc-Rosset, Gerard Puchault
  • Streptogramin derivatives, their preparation and compositions containing them
    Publication number: 20020132765
    Abstract: Group B streptogramin derivatives of formula (I) and salts thereof: 1
    Type: Application
    Filed: January 28, 2002
    Publication date: September 19, 2002
    Inventors: Eric Bacque, Jean-Claude Barriere, Gerard Puchault
  • Streptogramin derivatives, their preparation and pharmaceutical compositions which contain them
    Patent number: 5786449
    Abstract: Streptogramine derivatives of general formula (I) below, wherein the radical R.sub.1 is a methyl or ethyl radical, the radical R.sub.2 is a bromine or chlorine atom, or is an alkenyl radical with 3 to 5 carbon atoms when R.sub.3 and R.sub.4 are methyl, and one of R.sub.3 and R.sub.4 is a hydrogen atom or a methyl radical and the other is a methyl radical are disclosed. The streptogramine derivatives of general formula (I) have particularly useful antibacterial properties, and may be used in combination with a pristinamycin II derivative.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: July 28, 1998
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Claude Barriere, Jean-Marc Paris, Gerard Puchault